The devs, or at least PR department, have likely seen the fire that is people's anger about the state of EU4, and elected that addressing it without any sort of patch as an appeasement deal would be equivalent to throwing gas on the fire. A fire which was, in part, caused by a lack of communication from PDX's side.
So basically, they shot themselves in the foot in June with the seemingly pushed release, and shot the other foot at the start of July when they went on break without an announcement. It's just a matter of how long the bleeding will go on for at this rate.